2. Install the piston gasket in the tong body.
a. Screw the bleed screw into the bleed hole;
b. Install the square gasket in the sealing groove of two cylinders of
pump respectively after coat its working surface with proper
Tightening torque 7
3. Connect the brake pipeline
Connect the brake oil pipe to the tong.
Tightening force: 50
4. Fill up the brake system with the brake fluid and drain the air
in the brake system.
5. Check for leakage of brake fluid.
Rear parking brake
spring draw bar
front brake shoe
lower tension spring
pulling arm pin
rear brake shoe
brake shoe pulling arm
saddle type washer
upper release spring
rear brake disc
Used component which can not be used any more.
Removal of rear brake
Remarks: When the brake torque of the hand brake cannot meet
the brake requirement, the thickness of the brake shoe gasket
shall be tested. If it is less than the minimum value of brake show
gasket, the brake shoe shall be replaced.
minimum thickness: 1.0mm